Gravitation – Online MCQs Test – Physics 9th

1. The constant horizontal velocity required to put the satellite into a stable circular orbit around the Earth is called:

2. The motion of a falling ball towards Earth is due to the ____________

3. Gravitational field of Earth is directed ____________

4.

5. Numerical value of G is ___________

6. The time required for a satellite or complete one revolution around the Earth in its orbit is called its:

7. ___________ was the first scientist who gave the concept of gravitation.

8. Gravitational force is always ___________

9. Ocean tides are caused by the:

10. In 1798, he completed the 1^st experiment that demonstrated Newton’s Law of universal gravitation.

11. It changes the path of the Moon around the Earth.

12. According to Newton’s law of universal gravitation, force is inversely proportional to ____.

13. According to Newton’s law of universal gravitation, force ∝ ____________

14. Gravitation force is _____________ of the medium between the objects.

15.

16. Weight is measure in:

17. The first artificial satellite, Sputnik-1, was sent into space by:

18. Newton’s law of gravitational holds between every two objects on the _________

19. Gravitational force is always present between two objects because of their:

20. Newton’s law of gravitation is consistent with Newton’s _________ law of motion.